Mysterious fast radio burst in space has a 'heartbeat' pattern CNNAstronomers detect a radio “heartbeat” billions of light-years from Earth MIT NewsStrong bursts of energy that repeat like a heartbeat are detected billions of light-years from Earth Daily Mail“Boom, Boom, Boom” – MIT Astronomers Detect a Strange “Heartbeat” Billions of Light-Years From Earth SciTechDailyAstronomers detect a particularly strange radio "heartbeat" from a distant galaxy Boing Boing